/* ===== Variables ===== */
:root {
  --color-bg: #0f0f0f;
  --color-bg-elevated: #1a1a1a;
  --color-bg-card: #252525;
  --color-text: #ffffff;
  --color-text-muted: rgba(255, 255, 255, 0.7);
  --color-accent: #e50914;
  --color-accent-hover: #f40612;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: 0.2s ease;
  --carousel-block-height: 320px;
  --section-padding: 24px;
  --section-gap: 24px;
  --title-to-content-gap: 16px;
  --grid-gap: 16px;
  scroll-behavior: smooth;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}

body.loading .hero__title,
body.loading .hero__description,
body.loading .carousel__track,
body.loading .masonry-gallery {
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 5%;
  background: transparent;
  transition: background 0.2s ease;
}

.header.scrolled {
  background: rgba(0, 0, 0, 0.9);
}

.header__left {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

a.header__left,
a.header__left:link,
a.header__left:visited,
a.header__left:hover,
a.header__left:active {
  color: inherit;
  text-decoration: none;
}

.header__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.header__logo img,
.header__logo svg {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: contain;
  vertical-align: middle;
}

.header__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  line-height: 1;
  height: 40px;
  display: inline-flex;
  align-items: center;
  transform: translateY(+2px);
}

.header__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switcher {
  display: none; /* переключение языка временно отключено */
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.lang-switcher__select {
  background: var(--color-bg);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-text);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: inherit;
  cursor: pointer;
}

.lang-switcher__select option {
  background: var(--color-bg);
  color: var(--color-text);
}

/* ===== Main ===== */
.main-content {
  padding-top: 0;
}

/* ===== Sections ===== */
.section {
  padding: 32px 5% var(--section-padding);
  display: flex;
  flex-direction: column;
  gap: var(--title-to-content-gap);
}

.section__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  margin: 0;
  padding-top: 0.05em;
  line-height: 1.2;
  color: var(--color-text);
  overflow: visible;
}

/* ===== Hero Block ===== */
.hero-block {
  position: relative;
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 75vh;
  padding-left: 5%;
  padding-right: 5%;
}

.hero__content {
  position: absolute;
  bottom: calc(var(--carousel-block-height) - 32px + 40px);
  left: 5%;
  right: 5%;
  max-width: 600px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero__video-wrapper {
  position: absolute;
  inset: 0;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    var(--color-bg) 0%,
    transparent 40%,
    transparent 60%,
    rgba(0, 0, 0, 0.3) 100%
  );
  pointer-events: none;
}

.hero__overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.1);
  pointer-events: none;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin: 0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero__description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero__actions {
  margin: 0;
  display: flex;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 6px;
  transition: all var(--transition);
  outline: none;
  box-shadow: none;
  border: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-appearance: none;
  appearance: none;
  text-decoration: none;
}

.btn:focus,
.btn:focus-visible,
.btn:active {
  outline: none;
  box-shadow: none;
}

.btn--primary {
  background: var(--color-accent);
  color: white;
  border: none;
  box-shadow: none;
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: scale(1.02);
  box-shadow: none;
}

.btn--primary:focus,
.btn--primary:focus-visible,
.btn--primary:active {
  border: none;
  box-shadow: none;
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.25);
}

.btn--static {
  cursor: default;
  pointer-events: none;
}

.btn--static:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: none;
}

/* ===== Best Projects Carousel ===== */
.best-projects {
  position: relative;
  z-index: 3;
  margin-top: calc(-1 * var(--carousel-block-height));
  padding-bottom: 0;
}

.carousel {
  overflow: hidden;
}

.carousel__track {
  display: flex;
  gap: var(--grid-gap);
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.carousel__track::-webkit-scrollbar {
  display: none;
}

.project-card {
  flex: 0 0 calc((100% - 4 * var(--grid-gap)) / 5);
  width: calc((100% - 4 * var(--grid-gap)) / 5);
  aspect-ratio: 16 / 9;
  min-width: 200px;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  scroll-snap-align: start;
}

.project-card--featured::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 3px solid white;
  border-radius: inherit;
  pointer-events: none;
  z-index: 2;
}

.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 20px 20px 0px;
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover .project-card__overlay,
.project-card--featured .project-card__overlay {
  opacity: 1;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.project-card__badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.15em;
  background: rgba(0, 0, 0, 0.85);
  color: var(--color-text);
  padding: 10px 20px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
}

.project-card--coming-soon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
  pointer-events: none;
  border-radius: inherit;
}

/* ===== User Content Masonry ===== */
.user-content {
  position: relative;
  z-index: 5;
  padding-top: var(--title-to-content-gap);
  overflow: visible;
}

.masonry-gallery {
  column-count: 5;
  column-gap: var(--grid-gap);
}

.content-card {
  break-inside: avoid;
  margin-bottom: var(--grid-gap);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.content-card__img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: inherit;
  line-height: 0;
}

.content-card__img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: bottom;
}

.content-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity var(--transition);
}

.content-card:hover .content-card__overlay {
  opacity: 1;
}

.content-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.05em;
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
  .masonry-gallery {
    column-count: 4;
  }
  .project-card {
    flex: 0 0 calc((100% - 3 * var(--grid-gap)) / 4);
    width: calc((100% - 3 * var(--grid-gap)) / 4);
  }
}

@media (max-width: 1024px) {
  .masonry-gallery {
    column-count: 3;
  }
  .project-card {
    flex: 0 0 calc((100% - 2 * var(--grid-gap)) / 3);
    width: calc((100% - 2 * var(--grid-gap)) / 3);
  }
}

@media (max-width: 768px) {
  :root {
    --carousel-block-height: 260px;
  }
  .hero {
    min-height: 60vh;
  }
  .masonry-gallery {
    column-count: 2;
  }
  .project-card {
    flex: 0 0 calc((100% - 1 * var(--grid-gap)) / 2);
    width: calc((100% - 1 * var(--grid-gap)) / 2);
  }
}

@media (max-width: 480px) {
  :root {
    --carousel-block-height: 160px;
  }
  .hero {
    min-height: 42vh;
  }
  .hero__title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
  }
  .hero__description {
    font-size: 0.9rem;
    -webkit-line-clamp: 2;
    line-clamp: 2;
  }
  .hero__content {
    bottom: 24px;
    gap: 12px;
  }
  .best-projects {
    margin-top: 0;
  }
  .btn {
    padding: 10px 18px;
    font-size: 0.9rem;
  }
  .section__title {
    font-size: 1.35rem;
  }
  .project-card {
    flex: 0 0 calc((100% - 1 * var(--grid-gap)) / 2);
    width: calc((100% - 1 * var(--grid-gap)) / 2);
    min-width: 140px;
  }
  .masonry-gallery {
    column-count: 2;
  }
}

/* ===== Content Viewer Popup ===== */
.popup--content-viewer {
  padding: 0;
  align-items: stretch;
  justify-content: stretch;
}

.popup--content-viewer .content-viewer__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  cursor: pointer;
}

.content-viewer__close {
  font-size: 1.5rem;
  line-height: 1;
}

.content-viewer__container {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  min-height: 0;
  max-width: 100%;
  padding: 0 20px 20px;
  gap: 16px;
  margin: 16px;
  box-sizing: border-box;
}

.content-viewer__viewport {
  flex: 1;
  min-width: 0;
  height: 100vh;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.content-viewer__viewport > .content-viewer__track {
  align-self: stretch;
}

.content-viewer__track {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 20px;
  max-width: 100%;
  height: 100%;
  align-self: stretch;
  min-height: 0;
  overflow: hidden;
}

/* Окно ленты: одна высота экрана, обрезка по границе. Выравнивание по верху, иначе при height:200% в кадре оказывается середина (половина двух слайдов). */
.content-viewer__track-slides {
  flex-shrink: 0;
  align-self: flex-start;
  width: fit-content;
  max-width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s cubic-bezier(0, 0, 0.2, 1);
}

/* Два слайда по высоте экрана: старый вверх за край, новый снизу в кадр */
.content-viewer__track-slides.content-viewer__track--two-slides {
  height: 200%;
}

.content-viewer__track-slides.content-viewer__track--two-slides .content-viewer__slide {
  flex: 0 0 50%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.content-viewer__track-slides:not(.content-viewer__track--two-slides) .content-viewer__slide[data-slide="0"] {
  flex: 0 0 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.content-viewer__track-slides:not(.content-viewer__track--two-slides) .content-viewer__slide[data-slide="1"] {
  flex: 0 0 0;
  min-height: 0;
  overflow: hidden;
}

.content-viewer__nav {
  position: relative;
  flex-shrink: 0;
  align-self: flex-start;
  margin-top: var(--content-viewer-nav-offset, 0);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.content-viewer__nav-center {
  position: absolute;
  left: 0;
  top: calc(var(--content-viewer-nav-center-offset, 50%) - var(--content-viewer-nav-offset, 0));
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.content-viewer__nav-btn--prev,
.content-viewer__nav-btn--next {
  display: none;
}

.content-viewer__nav-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, border-color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.content-viewer__nav-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 769px) {
  .content-viewer__nav-btn--prev,
  .content-viewer__nav-btn--next {
    display: flex;
  }
}

.content-viewer__block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: min-content;
  min-width: 0;
  max-width: min(900px, 85vw);
  max-height: 100%;
}

.content-viewer__media-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: fit-content;
  max-width: min(900px, 85vw);
}

.content-viewer__media-wrap {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  width: fit-content;
  max-width: min(900px, 85vw);
  max-height: calc(100vh - 220px);
}

.content-viewer__media {
  max-width: min(900px, 85vw);
  max-height: calc(100vh - 220px);
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.content-viewer__overlay-desc {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 48px 16px 16px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.6) 70%, transparent);
  pointer-events: none;
}

/* Иммерсивный режим по долгому нажатию: скрываем заголовок, описание, затемнение и лайки */
.popup--content-immersive .content-viewer__overlay-desc,
.popup--content-immersive .content-viewer__mobile-desc,
.popup--content-immersive .content-viewer__like {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.content-viewer__overlay-text {
  padding-right: 72px;
  pointer-events: auto;
}

.content-viewer__desc-wrap {
  position: relative;
}

.content-viewer__desc-wrap .content-viewer__description {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: -webkit-line-clamp 0.2s ease;
}

.content-viewer__desc-wrap.is-expanded .content-viewer__description {
  -webkit-line-clamp: unset;
  line-clamp: unset;
}

.content-viewer__description .content-viewer__desc-more,
.content-viewer__description .content-viewer__desc-less {
  display: inline;
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  color: var(--color-text-muted);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: nowrap;
}

.content-viewer__description .content-viewer__desc-more:hover,
.content-viewer__description .content-viewer__desc-less:hover {
  color: var(--color-text);
  text-decoration: underline;
}

.content-viewer__description .content-viewer__desc-less {
  display: none;
}

.content-viewer__desc-wrap.is-expanded .content-viewer__description .content-viewer__desc-more {
  display: none;
}

.content-viewer__desc-wrap.is-expanded .content-viewer__description .content-viewer__desc-less {
  display: inline;
}

.content-viewer__description .content-viewer__desc-less[hidden] {
  display: none !important;
}

.content-viewer__like {
  position: absolute;
  bottom: 16px;
  right: 16px;
  pointer-events: auto;
  margin: 0;
  border: none;
  border-radius: 999px;
  padding: 0;
  background: transparent;
  color: var(--color-text);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  -webkit-appearance: none;
  appearance: none;
}

.content-viewer__like:hover,
.content-viewer__like:focus,
.content-viewer__like:focus-visible,
.content-viewer__like:active {
  background: transparent;
  outline: none;
}

.content-viewer__like-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.content-viewer__like-icon .content-viewer__heart {
  width: 1.75rem;
  height: auto;
  display: block;
}

.content-viewer__like-icon .content-viewer__heart--filled {
  display: none;
}

.content-viewer__like--active .content-viewer__like-icon .content-viewer__heart--outline {
  display: none;
}

.content-viewer__like--active .content-viewer__like-icon .content-viewer__heart--filled {
  display: block;
}

.content-viewer__like-count {
  font-size: 1.4rem;
}

.content-viewer__overlay-text .content-viewer__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  margin: 0 0 6px;
  text-transform: uppercase;
  color: var(--color-text);
}

.content-viewer__overlay-text .content-viewer__description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}


.content-viewer__plaque {
  display: flex;
  width: 100%;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 16px 0 0;
  height: 64px;
  background: rgba(88, 28, 135, 0.95);
  color: var(--color-text);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.2s ease;
}

.content-viewer__plaque:hover {
  background: rgba(108, 48, 155, 0.95);
}

.content-viewer__plaque-icon {
  flex-shrink: 0;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 0;
}

.content-viewer__plaque-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.content-viewer__mobile-desc {
  display: none;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 16px 24px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.7) 60%, transparent);
  pointer-events: none;
}

.content-viewer__mobile-desc .content-viewer__desc-text {
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
}

.content-viewer__mobile-desc .content-viewer__title {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 6px;
  letter-spacing: 0.05em;
}

.content-viewer__mobile-desc .content-viewer__description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}


.content-viewer__scroll-hint {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  animation: content-viewer-hint-bounce 2s ease-in-out infinite;
}

@keyframes content-viewer-hint-bounce {
  0%, 100% { opacity: 0.6; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(4px); }
}

@media (min-width: 769px) {
  .content-viewer__mobile-desc {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .content-viewer__mobile-desc {
    display: none;
  }
  .content-viewer__scroll-hint {
    bottom: 80px;
  }
}

/* ===== Promo Popup ===== */
.popup {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.popup.is-open {
  opacity: 1;
  visibility: visible;
}

.popup__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  cursor: pointer;
}